JPS64860B2 - - Google Patents

Info

Publication number
JPS64860B2
JPS64860B2 JP58080152A JP8015283A JPS64860B2 JP S64860 B2 JPS64860 B2 JP S64860B2 JP 58080152 A JP58080152 A JP 58080152A JP 8015283 A JP8015283 A JP 8015283A JP S64860 B2 JPS64860 B2 JP S64860B2
Authority
JP
Japan
Prior art keywords
extension
telephone
hook
call
detecting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP58080152A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59205892A (ja
Inventor
Ryuzo Sugiura
Noboru Nashiki
Takeo Oota
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tamura Electric Works Ltd
Original Assignee
Tamura Electric Works Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tamura Electric Works Ltd filed Critical Tamura Electric Works Ltd
Priority to JP58080152A priority Critical patent/JPS59205892A/ja
Publication of JPS59205892A publication Critical patent/JPS59205892A/ja
Publication of JPS64860B2 publication Critical patent/JPS64860B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP58080152A 1983-05-10 1983-05-10 電話装置 Granted JPS59205892A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58080152A JPS59205892A (ja) 1983-05-10 1983-05-10 電話装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58080152A JPS59205892A (ja) 1983-05-10 1983-05-10 電話装置

Publications (2)

Publication Number Publication Date
JPS59205892A JPS59205892A (ja) 1984-11-21
JPS64860B2 true JPS64860B2 (enrdf_load_stackoverflow) 1989-01-09

Family

ID=13710314

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58080152A Granted JPS59205892A (ja) 1983-05-10 1983-05-10 電話装置

Country Status (1)

Country Link
JP (1) JPS59205892A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61244929A (ja) * 1985-04-20 1986-10-31 Keisebun:Kk クラツチ

Also Published As

Publication number Publication date
JPS59205892A (ja) 1984-11-21

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